It's about more than appearance
Gingivectomy is often mentioned only in a cosmetic context, but excess or uneven gum tissue can also be a genuine oral health issue, not just an aesthetic one.
Sign 1 — You show noticeably more gum than tooth when you smile
A "gummy smile," where a large band of gum tissue is visible above the teeth when smiling naturally, is the most commonly recognised reason people look into gingivectomy — though it's a cosmetic preference, not a requirement.
Sign 2 — Your gum line is uneven across your front teeth
Even when the total amount of visible gum isn't excessive, uneven levels from one front tooth to the next can make otherwise well-shaped teeth look mismatched — this is a common step before veneers or crowns specifically to create a symmetrical gum line first.
Sign 3 — Excess gum tissue makes it hard to clean your teeth properly
Tissue that overlaps or bunches around teeth can trap plaque in a way that's genuinely difficult to brush or floss around effectively, which increases the risk of gum inflammation over time — this is the health-driven reason for the procedure, separate from appearance.
Sign 4 — You're planning veneers or crowns and your gum levels are uneven
If a cosmetic case is planned around uneven gums without correcting them first, the finished teeth can look uneven even if they're perfectly made — which is why gum assessment is often part of a proper Digital Smile Design plan.
What to actually do about it
None of these signs mean gingivectomy is automatically the right answer for you specifically — that depends on an in-person assessment. But if any of them sound familiar, it's a reasonable, specific thing to raise with your dentist rather than something to just live with.